:root{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;color:#35332f;background:#faf9f5;font-synthesis:none;--ink:#35332f;--muted:#817e76;--border:#e4e1d8;--paper:#faf9f5;--sidebar:#f0eee6;--accent:#bb694c;--green:#9f573e;--cream:#f0eee6}
*{box-sizing:border-box}body{margin:0}button,input,textarea,select{font:inherit}button{cursor:pointer;transition:background .15s,color .15s;touch-action:manipulation}button:disabled{cursor:default;opacity:.45}button:focus-visible,a:focus-visible,input:focus-visible,textarea:focus-visible,select:focus-visible{outline:2px solid var(--accent);outline-offset:3px}button{border:0;background:none;color:inherit}input,textarea,select{border:1px solid var(--border);border-radius:9px;padding:11px 13px;background:#fffefa;color:var(--ink);min-width:0}textarea{resize:vertical;line-height:1.8}label{display:flex;flex-direction:column;gap:9px;font-size:13px;font-weight:500}h1,h2,p{margin-top:0}h1{font-weight:500;letter-spacing:-.8px;font-size:29px}h2{font-size:19px;font-weight:600}.muted,.small{color:var(--muted)}.small{font-size:12px;line-height:1.8}.eyebrow{font-size:10px;font-weight:600;letter-spacing:2px;color:var(--muted)}.primary{border-radius:9px;padding:11px 18px;background:var(--ink);color:#fff;font-weight:500;font-size:13px}.primary:hover{background:#514e48}.wide{width:100%}.quiet-button{font-size:12px;border-radius:7px;padding:9px 11px}.quiet-button:hover,.text-button:hover{background:#e9e6dd}.text-button{font-size:11px;color:var(--muted);padding:7px;border-radius:6px}.icon{width:20px;height:20px;flex:none}.icon-button{width:36px;height:36px;display:inline-flex;align-items:center;justify-content:center;border-radius:8px;flex:none;color:#625e55}.icon-button:hover{background:#e9e6dd}.icon-button .icon{width:20px;height:20px}
/* Sign in */
.wordmark{display:flex;align-items:center;gap:11px;font-size:15px;font-weight:600}.brand-mark{display:grid;place-items:center;width:35px;height:35px;border-radius:12px;background:var(--accent);color:#fff;font-family:serif;font-size:19px}.auth-screen{min-height:100dvh;display:grid;grid-template-columns:1.1fr 1fr}.auth-story{background:#efede5;padding:45px 8%;display:flex;flex-direction:column;justify-content:space-between}.soft-label{font-size:11px;font-weight:400;border-left:1px solid #d4cfc2;padding-left:14px;margin-left:3px;color:var(--muted)}.auth-copy{margin:70px 0;max-width:520px}.auth-copy h1{font-family:Georgia,"Songti SC","STSong",serif;font-size:clamp(34px,4vw,55px);line-height:1.5;color:#51473f;letter-spacing:-2px}.auth-copy>p:not(.eyebrow){line-height:2;color:var(--muted);font-size:15px}.auth-features{display:flex;gap:10px;margin-top:32px;flex-wrap:wrap}.auth-features span{border:1px solid #d9d3c6;padding:9px 15px;border-radius:30px;color:#74695d;font-size:12px}.auth-foot{font-size:11px;color:var(--muted)}.auth-panel{display:grid;place-items:center;padding:50px}.auth-card{width:100%;max-width:355px}.auth-card h2{font-size:24px;margin:18px 0 13px}.auth-card>p.muted{font-size:13px;margin-bottom:30px}.auth-card label{margin:20px 0}.auth-card>.small{margin-top:20px}.error{font-size:12px;color:#a34438;line-height:1.7;min-height:10px}
/* Navigation */
.workspace{height:100dvh;display:grid;grid-template-columns:248px minmax(0,1fr);overflow:hidden}.workspace.sidebar-collapsed{grid-template-columns:0 minmax(0,1fr)}.sidebar{background:var(--sidebar);border-right:1px solid #e5e2d8;padding:16px 12px 12px;display:flex;flex-direction:column;min-height:0;width:248px;z-index:30}.sidebar-collapsed .sidebar{visibility:hidden;pointer-events:none}.sidebar-head{display:flex;align-items:center;justify-content:space-between;padding:0 4px 20px 10px}.sidebar-brand{text-decoration:none;font-family:Georgia,"Songti SC",serif;color:var(--ink);font-size:23px;letter-spacing:-1px;font-weight:600}.sidebar-brand span{font-family:-apple-system,"PingFang SC",sans-serif;font-size:11px;font-weight:400;color:var(--muted);margin-left:9px;letter-spacing:0}.new-chat{display:flex;align-items:center;gap:10px;text-align:left;padding:10px 12px;font-size:13px;margin-bottom:16px;border-radius:8px}.new-chat>.icon{background:var(--accent);color:#fff;border-radius:50%;padding:3px;width:23px;height:23px;stroke-width:2}.new-chat-shortcut{margin-left:auto;color:#9b968a;font-size:15px}.new-chat:hover{background:#e7e3d9}.nav-button{width:100%;display:flex;align-items:center;gap:11px;text-align:left;padding:10px 13px;border-radius:8px;margin-bottom:3px;color:#666158;line-height:20px;font-size:13px}.nav-button .icon{width:18px;height:18px}.nav-button:hover{background:#e8e4db}.nav-button.active{background:#e5e1d6;color:#34312c;font-weight:500}.recent{flex:1;overflow:auto;margin-top:28px;scrollbar-width:thin;scrollbar-color:#d4d0c6 transparent}.sidebar-caption{font-size:11px;color:#918a7f;padding-left:13px;margin-bottom:9px}.history-row{display:flex;align-items:center;gap:2px;border-radius:7px;margin-bottom:2px}.history-row:hover,.history-row.active{background:#e5e1d6}.history-open{flex:1;min-width:0;text-overflow:ellipsis;white-space:nowrap;overflow:hidden;text-align:left;font-size:12px;color:#645f55;padding:10px 13px;line-height:1.5}.history-delete{font-size:17px;color:#8c8377;padding:8px;opacity:0;border-radius:7px}.history-row:hover .history-delete,.history-row:focus-within .history-delete{opacity:1}.history-delete:hover{background:#dcd6c9}.history-empty{font-size:12px;color:#9c958a;padding:4px 13px;line-height:1.8}.sidebar-bottom{border-top:1px solid #e1ddd2;padding:17px 7px 0}.profile{display:flex;gap:10px;align-items:center;min-width:0}.profile>div:last-child{min-width:0}.avatar{width:34px;height:34px;background:#ded8cc;color:#655b4f;display:grid;place-items:center;border-radius:50%;font-size:13px;flex:none}.profile strong{font-size:12px;font-weight:500;display:block;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}.profile small{display:block;font-size:10px;color:#928b7f;margin-top:4px}.profile-actions{display:flex;justify-content:space-between;margin:9px -5px 0}.sidebar-backdrop{display:none}
/* Main canvas */
.main{min-width:0;display:flex;flex-direction:column;min-height:0;position:relative;background:var(--paper)}.topbar{height:66px;flex:none;display:flex;justify-content:space-between;align-items:center;padding:12px 25px;gap:16px}.topbar-left{display:flex;align-items:center;gap:12px;min-width:0}.topbar h2{margin:0;font-size:15px;font-weight:500;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}.topbar-tag{font-size:11px;color:#9c968b;border-left:1px solid #e5e1d8;padding-left:12px;white-space:nowrap}#sidebar-toggle{display:none}.sidebar-collapsed #sidebar-toggle{display:inline-flex}.view{min-height:0}.chat-view{display:flex;flex-direction:column;flex:1;position:relative}.messages{flex:1;overflow:auto;overscroll-behavior:contain;scrollbar-width:thin;scrollbar-color:#d9d5cb transparent;padding:30px max(32px,calc((100% - 740px)/2)) 24px;scroll-behavior:auto}.welcome{text-align:center;margin:0 auto;max-width:720px}.welcome-symbol{font-size:53px;line-height:1;color:var(--accent);margin-bottom:20px;font-family:Georgia,serif;font-weight:400}.welcome h1{font-family:Georgia,"Songti SC","STSong",serif;font-size:36px;font-weight:400;letter-spacing:-1px;line-height:1.4;margin-bottom:14px;color:#413b33}.welcome>p{font-size:13px;color:#9a9286;line-height:1.8;margin:0}.chat-view.has-welcome{justify-content:center;padding-bottom:clamp(30px,10vh,110px);overflow:auto}.has-welcome .messages{flex:none;overflow:visible;padding:20px 24px 32px}.suggestions{display:none;justify-content:center;gap:8px;flex-wrap:wrap;margin:19px 24px 0;flex-shrink:0}.has-welcome .suggestions{display:flex}.suggestions button{display:flex;align-items:center;gap:7px;padding:9px 12px;border:1px solid #e2ded3;border-radius:9px;font-size:11px;color:#746d62;background:transparent;white-space:nowrap}.suggestions .icon{width:15px;height:15px;color:#9b8d7a}.suggestions button:hover{background:#f0ede5;border-color:#ccc3b4}
/* Conversation and composer */
.message{margin:0 0 30px;line-height:1.95;font-size:15px;overflow-wrap:anywhere}.message-label{font-size:11px;color:var(--accent);margin-bottom:10px;display:flex;align-items:center;gap:8px}.message.user{margin-left:auto;max-width:85%;width:fit-content;padding:11px 18px;background:#eeece4;border-radius:18px;line-height:1.8}.message.user .message-label{display:none}.message-text{white-space:pre-wrap}.message.assistant .message-text{color:#403d37}.message.error-message{color:#a44b3d;background:#fbefea;padding:14px;border-radius:10px}.sources{display:flex;flex-wrap:wrap;gap:7px;margin-top:15px;align-items:center}.source-button{font-size:11px;color:#7b6c57;background:#f0ede4;border:1px solid #e3ddcf;border-radius:7px;padding:5px 8px;max-width:100%;overflow-wrap:anywhere;text-align:left}.web-source{display:inline-block;text-decoration:none;overflow-wrap:anywhere;max-width:100%}.composer{margin:0 max(24px,calc((100% - 740px)/2));background:#fffefa;border:1px solid #dfdacf;border-radius:21px;box-shadow:0 3px 12px #352d2210;padding:17px 15px 11px;flex:none;position:relative}.composer:focus-within{border-color:#bdb3a2;box-shadow:0 3px 16px #352d2214}.composer textarea{width:100%;display:block;border:0;background:transparent;resize:none;padding:0 5px;min-height:62px;max-height:190px;font-size:15px;line-height:1.8;border-radius:0;outline:none;overflow-y:auto}.composer textarea::placeholder{color:#a09a8e}.composer-actions{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-top:10px}.composer-tools,.send-actions{display:flex;align-items:center;gap:5px;min-width:0}.composer-tools .icon-button{width:32px;height:32px;color:#8b8275}.send-actions{gap:12px}.model-label{font-size:11px;color:#8b8377;white-space:nowrap}.send-button,.stop-button{display:flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--accent);color:#fff;flex:none}.send-button:hover,.stop-button:hover{background:#9f573e}.send-button .icon{width:20px;height:20px;stroke-width:2}.stop-button{background:#60584e;font-size:13px}.send-button:disabled{background:#d4cbc0;opacity:1}.selected-documents{display:flex;gap:7px;flex-wrap:wrap}.selected-documents:not(:empty){padding:0 5px 12px}.doc-chip{max-width:100%;overflow-wrap:anywhere;padding:6px 9px;border:1px solid #e3ddcf;background:#f3efe5;border-radius:8px;font-size:11px;text-align:left}.composer-note{text-align:center;font-size:10px;color:#a29a8e;margin:11px 16px 15px;flex:none;line-height:1.6}.has-welcome .composer-note{margin-top:24px}.chat-options{position:relative}.options-toggle{display:flex;align-items:center;gap:5px;padding:7px 8px;font-size:11px;color:#8b8275;border-radius:8px;height:32px;white-space:nowrap}.options-toggle>.icon:first-child{width:16px;height:16px}.options-toggle>.icon:last-child{width:12px;height:12px}.options-toggle:hover,.options-toggle[aria-expanded=true]{background:#f0ede5;color:#554d41}.chat-options-panel{position:absolute;bottom:44px;left:-72px;width:286px;border:1px solid var(--border);background:#fffefa;padding:16px;border-radius:14px;box-shadow:0 9px 32px #362a1926;z-index:20}.options-heading{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;font-size:13px}.options-heading .icon-button{width:25px;height:25px}.options-heading .icon{width:16px;height:16px}.range-picker,.runtime-controls label{display:flex;flex-direction:row;align-items:center;justify-content:space-between;gap:8px;font-size:12px;color:#71685b;font-weight:400}.range-picker select,.runtime-controls select{width:160px;padding:7px 8px;font-size:11px;background:var(--paper)}.runtime-controls{margin-top:13px}.runtime-controls>.quiet-button{margin-top:12px;font-size:11px;padding:7px 0;color:var(--accent)}
/* Knowledge, memory and account pages */
.content-view{padding:38px 42px 30px;overflow:auto;flex:1;max-width:1160px;width:100%;margin:0 auto}.section-intro{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:30px}.section-intro h1{font-family:Georgia,"Songti SC",serif;font-size:28px;margin-bottom:12px}.section-intro p{font-size:13px;margin-bottom:0;line-height:1.8}.scope-tabs{display:flex;border-bottom:1px solid var(--border);gap:26px;margin-bottom:24px}.scope-tabs button{padding:0 0 14px;font-size:14px;border-bottom:2px solid transparent}.scope-tabs button[aria-selected=true]{color:var(--accent);border-bottom-color:var(--accent)}.scope-tabs span{font-size:9px;color:#918573;margin-left:7px;background:#eee9de;padding:4px 6px;border-radius:4px}.knowledge-guide{display:flex;align-items:center;gap:12px;padding:18px 22px;border-radius:12px;background:#f0ede5;margin-bottom:22px;flex-wrap:wrap}.knowledge-guide>span{font-size:23px;color:#a1917b}.knowledge-guide p{font-size:12px;color:#80725e;margin:0;flex:1;min-width:200px}.knowledge-guide small{font-size:10px;color:#9b8f7d}.document-row{border:1px solid var(--border);border-radius:11px;margin-bottom:11px;background:#fffefa;display:flex;gap:16px;align-items:center;padding:18px 20px}.file-icon{width:42px;height:46px;display:grid;place-items:center;font-size:9px;background:#f2eee5;border:1px solid #e4ddcf;color:#96866f;border-radius:7px;font-weight:700;flex:none}.document-info{flex:1;min-width:0;overflow-wrap:anywhere}.document-info strong{font-size:13px;overflow-wrap:anywhere;display:block}.document-info small{display:block;color:#9b917f;font-size:10px;margin-top:7px}.document-actions{display:flex;gap:4px;align-items:center;flex-wrap:wrap}.status{border-radius:20px;padding:4px 8px;font-size:9px;background:#eeeee5;color:#7b8264}.status.error{background:#fff0eb;color:#b57865;margin:0;min-height:0}.empty-state{text-align:center;color:#9b917f;background:#f5f3ed;border:1px dashed #dfd8cb;border-radius:13px;padding:54px 20px;line-height:2;font-size:13px;margin:20px 0}.memory-card{background:#fffefa;border:1px solid var(--border);border-radius:13px;padding:25px;margin-bottom:18px}.memory-card textarea{width:100%;margin:15px 0;font-size:13px}.memory-footer{display:flex;justify-content:space-between;align-items:center;gap:15px}.memory-footer p{margin:0}.account-form{display:flex;align-items:end;gap:12px;background:#f0ede5;border:1px solid var(--border);padding:20px;border-radius:12px;flex-wrap:wrap}.account-form label{flex:1;min-width:130px}.account-form input,.account-form select{width:100%}.user-row{border-bottom:1px solid var(--border);padding:20px 5px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.user-row .user-name{flex:1;min-width:100px}.user-name strong{font-size:13px}.user-name small{display:block;font-size:11px;color:#918470;margin-top:6px}.user-row input{width:75px;padding:7px;font-size:12px}.user-row label{font-size:10px;flex-direction:row;align-items:center}.danger{color:#a77360}.public-access-control{display:flex;align-items:center;gap:8px;font-size:13px}.public-access-control input[type=checkbox]{width:18px;height:18px;flex:none;accent-color:var(--accent)}
/* Dialogs */
dialog{border:1px solid #ddd5c7;border-radius:16px;max-width:520px;width:calc(100% - 34px);max-height:90dvh;overflow:auto;padding:26px;color:var(--ink);background:#fffefa;box-shadow:0 20px 70px #36291830}dialog::backdrop{background:#21190f45;backdrop-filter:blur(3px)}dialog textarea{width:100%;margin:12px 0 20px;font-size:12px}dialog .muted{font-size:12px;line-height:1.8}.dialog-heading{display:flex;align-items:center;justify-content:space-between;gap:18px;margin-bottom:15px}.dialog-heading h2{margin:0}.doc-choice{display:flex;flex-direction:row;align-items:center;gap:12px;border-bottom:1px solid var(--border);padding:13px 0;font-size:12px}.doc-choice input{width:16px;height:16px;min-width:16px}.doc-choice small{font-weight:400;color:#9b907e}#doc-choices{max-height:50vh;overflow:auto;margin-bottom:20px}#password-form label{margin:18px 0}#notice{padding:10px 26px;background:#eeede3;color:#766341;font-size:12px;line-height:1.6;flex:none;overflow-wrap:anywhere}#notice.error{background:#fff0e8;color:#a96350;margin:0}.source-preview{white-space:pre-wrap;overflow-wrap:anywhere;font:13px/1.8 -apple-system,"PingFang SC",sans-serif;max-height:55vh;overflow:auto;padding:16px;background:#f5f3ed;border-radius:12px}#source-dialog{width:min(720px,92vw)}#admin-content-dialog{width:min(980px,calc(100vw - 24px));max-height:90dvh;overflow:auto}.admin-content-tabs,#admin-content-pages{display:flex;gap:8px;flex-wrap:wrap;margin:12px 0}.admin-content-item{display:block;width:100%;padding:14px;text-align:left;border-bottom:1px solid var(--border);overflow-wrap:anywhere}.admin-message{padding:14px 0;border-bottom:1px solid var(--border)}.admin-message>small{display:block;margin-top:6px}#admin-content-body .source-preview{white-space:pre-wrap;overflow-wrap:anywhere;max-height:none}#admin-content-title{overflow-wrap:anywhere}[hidden]{display:none!important}
@media(max-width:1050px){.content-view{padding:28px 24px}.topbar-tag{display:none}.welcome h1{font-size:32px}.messages{padding-left:28px;padding-right:28px}.composer{margin-left:24px;margin-right:24px}.suggestions{gap:7px}.suggestions button{padding:8px 10px}}
@media(max-width:760px){.workspace,.workspace.sidebar-collapsed{display:block}.main{height:100%}.sidebar{position:fixed;inset:0 auto 0 0;width:min(290px,85vw);transform:translateX(-100%);visibility:hidden;pointer-events:none;padding-top:max(16px,env(safe-area-inset-top));padding-bottom:max(12px,env(safe-area-inset-bottom));box-shadow:10px 0 35px #27211618}.workspace.sidebar-open .sidebar{transform:translateX(0);visibility:visible;pointer-events:auto}.sidebar-backdrop:not([hidden]){display:block;position:fixed;inset:0;background:#2721174d;z-index:29;backdrop-filter:blur(2px)}#sidebar-toggle,.sidebar-collapsed #sidebar-toggle{display:inline-flex}.sidebar-head{padding-bottom:20px}.new-chat{margin-bottom:15px}.nav-button{padding:12px 13px}.history-delete{opacity:1}.topbar{height:58px;padding:10px 14px}.topbar-left{gap:9px}.topbar h2{font-size:14px}.topbar .icon-button{width:36px;height:36px}.chat-view.has-welcome{padding-bottom:clamp(28px,8vh,80px)}.has-welcome .messages{padding:20px 22px 27px}.welcome-symbol{font-size:45px;margin-bottom:18px}.welcome h1{font-size:29px;margin-bottom:12px;letter-spacing:-.8px}.welcome>p{font-size:12px;line-height:1.8}.messages{padding:24px 20px 18px}.message{font-size:15px;margin-bottom:26px}.message.user{max-width:90%;padding:10px 15px}.composer{margin:0 14px;border-radius:19px;padding:15px 11px 10px}.composer textarea{font-size:16px;min-height:68px;max-height:140px;line-height:1.7}.composer-actions{margin-top:8px;gap:5px}.composer-tools{gap:2px}.send-actions{gap:8px}.model-label{font-size:10px}.suggestions{margin:16px 22px 0;gap:8px;display:none;max-width:380px;align-self:center}.suggestions button{padding:9px 12px;font-size:11px}.has-welcome .composer-note{margin-top:22px}.composer-note{font-size:9px;margin:10px 12px max(10px,env(safe-area-inset-bottom))}.chat-options-panel{left:-72px;width:min(286px,calc(100vw - 52px))}.content-view{padding:24px 18px}.section-intro{align-items:start;flex-direction:column;margin-bottom:22px}.section-intro h1{font-size:25px}.section-intro p{font-size:12px}.scope-tabs{gap:14px}.scope-tabs button{font-size:12px}.scope-tabs span{font-size:8px}.knowledge-guide{padding:15px}.document-row{padding:14px 12px;gap:10px;flex-wrap:wrap}.document-actions{margin-left:auto}.memory-card{padding:18px}.memory-footer{align-items:start;flex-direction:column}.account-form{padding:15px}.user-row{gap:11px}.auth-screen{grid-template-columns:1fr}.auth-story{padding:24px 26px}.auth-copy{margin:40px 0 5px}.auth-copy h1{font-size:31px}.auth-copy>p:not(.eyebrow),.auth-features,.auth-foot{display:none}.auth-panel{padding:35px 26px 60px}#notice{padding:9px 20px}}
@media(max-width:360px){.model-label{display:none}.welcome h1{font-size:26px}.welcome>p{font-size:11px}.composer{margin:0 10px}.options-toggle{padding:6px}.suggestions{gap:7px}.suggestions button{padding:8px 10px}.topbar h2{font-size:13px}}
@media(max-height:620px){.chat-view.has-welcome{justify-content:flex-start;padding-bottom:15px}.has-welcome .messages{padding-top:10px;padding-bottom:16px}.welcome-symbol{font-size:34px;margin-bottom:10px}.welcome h1{font-size:27px;margin-bottom:8px}.welcome>p{display:none}.has-welcome .composer-note{margin-top:13px}}
@media(prefers-reduced-motion:reduce){*{transition:none!important;scroll-behavior:auto!important}}

@media(max-width:760px){.has-welcome .suggestions{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));width:268px;max-width:calc(100% - 44px)}.suggestions button{justify-content:center}}